Safety is the prime attention of any regulatory body as it is one among the critical factors which sustains the mankind. Quality systems like GLP has a lot to play in the field of safety assessments. There are various toxicity studies for assessing the degree of toxicity. Academic research and peer reviewed journals have their own pitfalls as they are not able to monitor or inspect the studies which have been conducted. This book speaks about the importance of safety assessment, various studies to evaluate it and importance of GLP in safety assessment.